MLT 205 U2 review Exam Questions and
Answers with Verified Solutions | Latest
Updated 2026
How is M. tuberculosis droplet nuclei
transmitted?
What are three types of AFB Lowenstein Jensen, Middlebrook, Dubos
media Broth
that are egg based?
What is the difference between the Ziehl-Neelson heats the AFB smear until it
Ziehl-Neelson and Kinyoun stains? is
steaming
What reagents are used in the Carbolfuchsin and Methylene Blue or
Kinyoun and ZH stains? brilliant
green
What does a positive smear on a Red beaded rods against blue or green
Kinyoun stain look? background
What chemical forces organisms Phenol
to
take up special dyes in acid fast
stains?
, Why do acid fast bacteria resist Their cell walls contain high amounts of
gram mycolic
staining? acid
What reagents are used in the Auramine-Rhodamine and K
Truant's fluorescent stain? permanganate
What is another name for Miliary TB
disseminated tuberculosis?
What are two extra safety Handle specimens under a bio safety
precautions that are taken when cabinet and
handling AFB specimens? centrifuge them in double sealed
containers
What are the three organisms M. tuberculosis, M. bovis, M. ulcerans, M.
found leprae
in the M. tuberculosis complex and Differentiated by niacin, nitrate, and
how are they differentiated? catalase
What is the difference between Primary is an infection in a previously
primary and secondary uninflected
tuberculosis? patient and Secondary occurs as a
reactivation of
dormant tubercle or from exogenous
reinfection
What are photochromogens? mycobacteria that produce pigmented
colonies
only when exposed to light. M. kansasii
and M.
marinum
Answers with Verified Solutions | Latest
Updated 2026
How is M. tuberculosis droplet nuclei
transmitted?
What are three types of AFB Lowenstein Jensen, Middlebrook, Dubos
media Broth
that are egg based?
What is the difference between the Ziehl-Neelson heats the AFB smear until it
Ziehl-Neelson and Kinyoun stains? is
steaming
What reagents are used in the Carbolfuchsin and Methylene Blue or
Kinyoun and ZH stains? brilliant
green
What does a positive smear on a Red beaded rods against blue or green
Kinyoun stain look? background
What chemical forces organisms Phenol
to
take up special dyes in acid fast
stains?
, Why do acid fast bacteria resist Their cell walls contain high amounts of
gram mycolic
staining? acid
What reagents are used in the Auramine-Rhodamine and K
Truant's fluorescent stain? permanganate
What is another name for Miliary TB
disseminated tuberculosis?
What are two extra safety Handle specimens under a bio safety
precautions that are taken when cabinet and
handling AFB specimens? centrifuge them in double sealed
containers
What are the three organisms M. tuberculosis, M. bovis, M. ulcerans, M.
found leprae
in the M. tuberculosis complex and Differentiated by niacin, nitrate, and
how are they differentiated? catalase
What is the difference between Primary is an infection in a previously
primary and secondary uninflected
tuberculosis? patient and Secondary occurs as a
reactivation of
dormant tubercle or from exogenous
reinfection
What are photochromogens? mycobacteria that produce pigmented
colonies
only when exposed to light. M. kansasii
and M.
marinum
